diff --git a/src/components/Message.vue b/src/components/Message.vue
index f6f2bf3b81ad085b1b6fb4825202cef0d2727444..614a9daffa85d0f5e6107ed317ab95e3ac0ba848 100644
--- a/src/components/Message.vue
+++ b/src/components/Message.vue
@@ -307,7 +307,7 @@ export default {
 }
 
 .mail-message-body {
-	flex-grow: 1;
+	flex: 1;
 	margin-bottom: 10px;
 	position: relative;
 }
diff --git a/src/components/MessageHTMLBody.vue b/src/components/MessageHTMLBody.vue
index 5b0b1c17587bea71ea6f7291af6f9ab9e31be303..74f74e8190489e3695665aa6e8340ea2e3af2775 100644
--- a/src/components/MessageHTMLBody.vue
+++ b/src/components/MessageHTMLBody.vue
@@ -92,7 +92,7 @@ export default {
 }
 
 #message-container {
-	flex-grow: 1;
+	flex: 1;
 }
 
 #message-frame {